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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_channel.h>
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11
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12
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13 static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
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50
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14 ngx_int_t type);
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16
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15 static void ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type);
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0
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16 static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo);
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17 static ngx_uint_t ngx_reap_childs(ngx_cycle_t *cycle);
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2
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18 static void ngx_master_exit(ngx_cycle_t *cycle);
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0
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19 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
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22
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20 static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority);
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0
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21 static void ngx_channel_handler(ngx_event_t *ev);
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22 #if (NGX_THREADS)
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23 static void ngx_wakeup_worker_threads(ngx_cycle_t *cycle);
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24 static void *ngx_worker_thread_cycle(void *data);
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25 #endif
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50
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26 #if 0
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16
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27 static void ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data);
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50
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28 #endif
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0
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29
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30
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31 ngx_uint_t ngx_process;
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32 ngx_pid_t ngx_pid;
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33 ngx_uint_t ngx_threaded;
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34
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35 sig_atomic_t ngx_reap;
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36 sig_atomic_t ngx_timer;
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37 sig_atomic_t ngx_sigio;
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38 sig_atomic_t ngx_terminate;
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39 sig_atomic_t ngx_quit;
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26
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40 sig_atomic_t ngx_debug_quit;
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0
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41 ngx_uint_t ngx_exiting;
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42 sig_atomic_t ngx_reconfigure;
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43 sig_atomic_t ngx_reopen;
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44
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45 sig_atomic_t ngx_change_binary;
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46 ngx_pid_t ngx_new_binary;
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47 ngx_uint_t ngx_inherited;
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48 ngx_uint_t ngx_daemonized;
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49
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50 sig_atomic_t ngx_noaccept;
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51 ngx_uint_t ngx_noaccepting;
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52 ngx_uint_t ngx_restart;
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53
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54
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55 #if (NGX_THREADS)
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56 volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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57 ngx_int_t ngx_threads_n;
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58 #endif
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59
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60
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61 u_char master_process[] = "master process";
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62
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63
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50
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64 void
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65 ngx_master_process_cycle(ngx_cycle_t *cycle)
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0
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66 {
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67 char *title;
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68 u_char *p;
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69 size_t size;
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70 ngx_int_t i;
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80
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71 ngx_uint_t n;
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0
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72 sigset_t set;
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73 struct timeval tv;
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74 struct itimerval itv;
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75 ngx_uint_t live;
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76 ngx_msec_t delay;
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80
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77 ngx_listening_t *ls;
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0
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78 ngx_core_conf_t *ccf;
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79
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80 sigemptyset(&set);
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81 sigaddset(&set, SIGCHLD);
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82 sigaddset(&set, SIGALRM);
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83 sigaddset(&set, SIGIO);
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84 sigaddset(&set, SIGINT);
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85 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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86 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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87 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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88 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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89 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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90 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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91
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92 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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93 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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94 "sigprocmask() failed");
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95 }
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96
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97 sigemptyset(&set);
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98
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99
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100 size = sizeof(master_process);
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101
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2
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102 for (i = 0; i < ngx_argc; i++) {
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103 size += ngx_strlen(ngx_argv[i]) + 1;
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0
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104 }
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105
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106 title = ngx_palloc(cycle->pool, size);
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107
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108 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2
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109 for (i = 0; i < ngx_argc; i++) {
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0
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110 *p++ = ' ';
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2
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111 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size);
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0
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112 }
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113
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114 ngx_setproctitle(title);
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115
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116
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117 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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118
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119 ngx_start_worker_processes(cycle, ccf->worker_processes,
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120 NGX_PROCESS_RESPAWN);
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16
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121 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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122
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123 ngx_new_binary = 0;
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124 delay = 0;
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125 live = 1;
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126
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127 for ( ;; ) {
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128 if (delay) {
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129 delay *= 2;
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130
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131 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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132 "temination cycle: %d", delay);
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133
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134 itv.it_interval.tv_sec = 0;
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135 itv.it_interval.tv_usec = 0;
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136 itv.it_value.tv_sec = delay / 1000;
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137 itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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138
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139 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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140 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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141 "setitimer() failed");
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142 }
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143 }
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144
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145 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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146
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147 sigsuspend(&set);
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148
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149 ngx_gettimeofday(&tv);
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150 ngx_time_update(tv.tv_sec);
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151
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152 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
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153
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154 if (ngx_reap) {
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155 ngx_reap = 0;
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156 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
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157
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158 live = ngx_reap_childs(cycle);
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159 }
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160
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161 if (!live && (ngx_terminate || ngx_quit)) {
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2
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162 ngx_master_exit(cycle);
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0
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163 }
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164
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165 if (ngx_terminate) {
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166 if (delay == 0) {
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167 delay = 50;
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168 }
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169
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170 if (delay > 1000) {
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171 ngx_signal_worker_processes(cycle, SIGKILL);
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172 } else {
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173 ngx_signal_worker_processes(cycle,
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174 ngx_signal_value(NGX_TERMINATE_SIGNAL));
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175 }
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176
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177 continue;
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178 }
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179
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180 if (ngx_quit) {
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181 ngx_signal_worker_processes(cycle,
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182 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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80
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183
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184 ls = cycle->listening.elts;
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185 for (n = 0; n < cycle->listening.nelts; n++) {
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186 if (ngx_close_socket(ls[n].fd) == -1) {
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187 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
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188 ngx_close_socket_n " %V failed",
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189 &ls[n].addr_text);
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190 }
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191 }
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192 cycle->listening.nelts = 0;
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193
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0
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194 continue;
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195 }
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196
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197 if (ngx_timer) {
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198 ngx_timer = 0;
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4
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199
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200 if (!ngx_noaccepting) {
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201 ngx_start_worker_processes(cycle, ccf->worker_processes,
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202 NGX_PROCESS_JUST_RESPAWN);
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16
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203 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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4
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204 live = 1;
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205 ngx_signal_worker_processes(cycle,
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0
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206 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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4
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207 }
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0
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208 }
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209
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210 if (ngx_reconfigure) {
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211 ngx_reconfigure = 0;
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212
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213 if (ngx_new_binary) {
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214 ngx_start_worker_processes(cycle, ccf->worker_processes,
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215 NGX_PROCESS_RESPAWN);
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16
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216 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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217 ngx_noaccepting = 0;
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218
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219 continue;
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220 }
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221
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26
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222 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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223
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224 cycle = ngx_init_cycle(cycle);
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225 if (cycle == NULL) {
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226 cycle = (ngx_cycle_t *) ngx_cycle;
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227 continue;
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228 }
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229
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230 ngx_cycle = cycle;
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231 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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232 ngx_core_module);
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233 ngx_start_worker_processes(cycle, ccf->worker_processes,
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234 NGX_PROCESS_JUST_RESPAWN);
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16
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235 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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0
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236 live = 1;
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237 ngx_signal_worker_processes(cycle,
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238 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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239 }
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240
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241 if (ngx_restart) {
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242 ngx_restart = 0;
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243 ngx_start_worker_processes(cycle, ccf->worker_processes,
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244 NGX_PROCESS_RESPAWN);
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16
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245 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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246 live = 1;
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247 }
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248
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249 if (ngx_reopen) {
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250 ngx_reopen = 0;
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26
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251 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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252 ngx_reopen_files(cycle, ccf->user);
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253 ngx_signal_worker_processes(cycle,
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254 ngx_signal_value(NGX_REOPEN_SIGNAL));
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255 }
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256
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257 if (ngx_change_binary) {
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258 ngx_change_binary = 0;
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26
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259 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary");
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2
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260 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv);
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0
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261 }
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262
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263 if (ngx_noaccept) {
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264 ngx_noaccept = 0;
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265 ngx_noaccepting = 1;
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266 ngx_signal_worker_processes(cycle,
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267 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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268 }
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269 }
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270 }
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271
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272
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50
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273 void
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274 ngx_single_process_cycle(ngx_cycle_t *cycle)
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0
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275 {
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276 ngx_uint_t i;
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277
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278 ngx_init_temp_number();
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279
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280 for (i = 0; ngx_modules[i]; i++) {
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281 if (ngx_modules[i]->init_process) {
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282 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
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283 /* fatal */
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284 exit(2);
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285 }
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286 }
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287 }
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288
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289 for ( ;; ) {
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290 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
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291
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292 ngx_process_events(cycle);
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293
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294 if (ngx_terminate || ngx_quit) {
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2
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295 ngx_master_exit(cycle);
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0
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296 }
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297
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298 if (ngx_reconfigure) {
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299 ngx_reconfigure = 0;
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26
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300 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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301
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302 cycle = ngx_init_cycle(cycle);
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303 if (cycle == NULL) {
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304 cycle = (ngx_cycle_t *) ngx_cycle;
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305 continue;
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306 }
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307
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308 ngx_cycle = cycle;
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309 }
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310
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311 if (ngx_reopen) {
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312 ngx_reopen = 0;
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26
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313 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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314 ngx_reopen_files(cycle, (ngx_uid_t) -1);
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315 }
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316 }
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317 }
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318
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319
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50
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320 static void
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321 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type)
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0
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322 {
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323 ngx_int_t i;
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324 ngx_channel_t ch;
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325 struct itimerval itv;
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326
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26
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327 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes");
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0
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328
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329 ch.command = NGX_CMD_OPEN_CHANNEL;
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330
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331 while (n--) {
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332 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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333 "worker process", type);
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334
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335 ch.pid = ngx_processes[ngx_process_slot].pid;
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336 ch.slot = ngx_process_slot;
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337 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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338
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339 for (i = 0; i < ngx_last_process; i++) {
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340
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341 if (i == ngx_process_slot
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342 || ngx_processes[i].pid == -1
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343 || ngx_processes[i].channel[0] == -1)
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344 {
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345 continue;
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346 }
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347
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348 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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10
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349 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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350 ch.slot, ch.pid, ch.fd,
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351 i, ngx_processes[i].pid,
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352 ngx_processes[i].channel[0]);
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0
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353
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354 /* TODO: NGX_AGAIN */
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355
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356 ngx_write_channel(ngx_processes[i].channel[0],
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357 &ch, sizeof(ngx_channel_t), cycle->log);
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358 }
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359 }
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360
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361 /*
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362 * we have to limit the maximum life time of the worker processes
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363 * by 10 days because our millisecond event timer is limited
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364 * by 24 days on 32-bit platforms
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365 */
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366
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367 itv.it_interval.tv_sec = 0;
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368 itv.it_interval.tv_usec = 0;
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369 itv.it_value.tv_sec = 10 * 24 * 60 * 60;
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370 itv.it_value.tv_usec = 0;
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371
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372 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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373 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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374 "setitimer() failed");
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375 }
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376 }
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377
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378
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50
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379 static void
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380 ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
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16
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381 {
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50
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382 #if 0
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383 ngx_int_t i;
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384 ngx_channel_t ch;
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16
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385
|
|
26
|
386 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start garbage collector");
|
|
16
|
387
|
|
|
388 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
389
|
|
|
390 ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
|
|
|
391 "garbage collector", type);
|
|
|
392
|
|
|
393 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
394 ch.slot = ngx_process_slot;
|
|
|
395 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
396
|
|
|
397 for (i = 0; i < ngx_last_process; i++) {
|
|
|
398
|
|
|
399 if (i == ngx_process_slot
|
|
|
400 || ngx_processes[i].pid == -1
|
|
|
401 || ngx_processes[i].channel[0] == -1)
|
|
|
402 {
|
|
|
403 continue;
|
|
|
404 }
|
|
|
405
|
|
|
406 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
407 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
408 ch.slot, ch.pid, ch.fd,
|
|
|
409 i, ngx_processes[i].pid,
|
|
|
410 ngx_processes[i].channel[0]);
|
|
|
411
|
|
|
412 /* TODO: NGX_AGAIN */
|
|
|
413
|
|
|
414 ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
415 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
416 }
|
|
50
|
417 #endif
|
|
16
|
418 }
|
|
|
419
|
|
|
420
|
|
50
|
421 static void
|
|
|
422 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
0
|
423 {
|
|
|
424 ngx_int_t i;
|
|
|
425 ngx_err_t err;
|
|
|
426 ngx_channel_t ch;
|
|
|
427
|
|
|
428 switch (signo) {
|
|
|
429
|
|
|
430 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
|
|
|
431 ch.command = NGX_CMD_QUIT;
|
|
|
432 break;
|
|
|
433
|
|
|
434 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
|
|
|
435 ch.command = NGX_CMD_TERMINATE;
|
|
|
436 break;
|
|
|
437
|
|
|
438 case ngx_signal_value(NGX_REOPEN_SIGNAL):
|
|
|
439 ch.command = NGX_CMD_REOPEN;
|
|
|
440 break;
|
|
|
441
|
|
|
442 default:
|
|
|
443 ch.command = 0;
|
|
|
444 }
|
|
|
445
|
|
|
446 ch.fd = -1;
|
|
|
447
|
|
|
448
|
|
|
449 for (i = 0; i < ngx_last_process; i++) {
|
|
|
450
|
|
|
451 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
452 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
453 i,
|
|
|
454 ngx_processes[i].pid,
|
|
|
455 ngx_processes[i].exiting,
|
|
|
456 ngx_processes[i].exited,
|
|
|
457 ngx_processes[i].detached,
|
|
|
458 ngx_processes[i].respawn,
|
|
|
459 ngx_processes[i].just_respawn);
|
|
|
460
|
|
|
461 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) {
|
|
|
462 continue;
|
|
|
463 }
|
|
|
464
|
|
|
465 if (ngx_processes[i].just_respawn) {
|
|
|
466 ngx_processes[i].just_respawn = 0;
|
|
|
467 continue;
|
|
|
468 }
|
|
|
469
|
|
|
470 if (ngx_processes[i].exiting
|
|
|
471 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
472 {
|
|
|
473 continue;
|
|
|
474 }
|
|
|
475
|
|
|
476 if (ch.command) {
|
|
|
477 if (ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
478 &ch, sizeof(ngx_channel_t), cycle->log) == NGX_OK)
|
|
|
479 {
|
|
|
480 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
481 ngx_processes[i].exiting = 1;
|
|
|
482 }
|
|
|
483
|
|
|
484 continue;
|
|
|
485 }
|
|
|
486 }
|
|
|
487
|
|
|
488 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
489 "kill (%P, %d)" , ngx_processes[i].pid, signo);
|
|
0
|
490
|
|
|
491 if (kill(ngx_processes[i].pid, signo) == -1) {
|
|
|
492 err = ngx_errno;
|
|
|
493 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
10
|
494 "kill(%P, %d) failed",
|
|
0
|
495 ngx_processes[i].pid, signo);
|
|
|
496
|
|
|
497 if (err == NGX_ESRCH) {
|
|
|
498 ngx_processes[i].exited = 1;
|
|
|
499 ngx_processes[i].exiting = 0;
|
|
|
500 ngx_reap = 1;
|
|
|
501 }
|
|
|
502
|
|
|
503 continue;
|
|
|
504 }
|
|
|
505
|
|
|
506 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
507 ngx_processes[i].exiting = 1;
|
|
|
508 }
|
|
|
509 }
|
|
|
510 }
|
|
|
511
|
|
|
512
|
|
50
|
513 static ngx_uint_t
|
|
|
514 ngx_reap_childs(ngx_cycle_t *cycle)
|
|
0
|
515 {
|
|
92
|
516 ngx_int_t i, n;
|
|
|
517 ngx_uint_t live;
|
|
|
518 ngx_channel_t ch;
|
|
|
519 ngx_core_conf_t *ccf;
|
|
0
|
520
|
|
|
521 ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
522 ch.fd = -1;
|
|
|
523
|
|
|
524 live = 0;
|
|
|
525 for (i = 0; i < ngx_last_process; i++) {
|
|
|
526
|
|
|
527 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
528 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
529 i,
|
|
|
530 ngx_processes[i].pid,
|
|
|
531 ngx_processes[i].exiting,
|
|
|
532 ngx_processes[i].exited,
|
|
|
533 ngx_processes[i].detached,
|
|
|
534 ngx_processes[i].respawn,
|
|
|
535 ngx_processes[i].just_respawn);
|
|
|
536
|
|
|
537 if (ngx_processes[i].pid == -1) {
|
|
|
538 continue;
|
|
|
539 }
|
|
|
540
|
|
|
541 if (ngx_processes[i].exited) {
|
|
|
542
|
|
|
543 if (!ngx_processes[i].detached) {
|
|
|
544 ngx_close_channel(ngx_processes[i].channel, cycle->log);
|
|
|
545
|
|
|
546 ngx_processes[i].channel[0] = -1;
|
|
|
547 ngx_processes[i].channel[1] = -1;
|
|
|
548
|
|
|
549 ch.pid = ngx_processes[i].pid;
|
|
|
550 ch.slot = i;
|
|
|
551
|
|
|
552 for (n = 0; n < ngx_last_process; n++) {
|
|
|
553 if (ngx_processes[n].exited
|
|
|
554 || ngx_processes[n].pid == -1
|
|
|
555 || ngx_processes[n].channel[0] == -1)
|
|
|
556 {
|
|
|
557 continue;
|
|
|
558 }
|
|
|
559
|
|
|
560 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
561 "pass close channel s:%i pid:%P to:%P",
|
|
|
562 ch.slot, ch.pid, ngx_processes[n].pid);
|
|
0
|
563
|
|
|
564 /* TODO: NGX_AGAIN */
|
|
|
565
|
|
|
566 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
567 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
568 }
|
|
|
569 }
|
|
|
570
|
|
|
571 if (ngx_processes[i].respawn
|
|
|
572 && !ngx_processes[i].exiting
|
|
|
573 && !ngx_terminate
|
|
|
574 && !ngx_quit)
|
|
|
575 {
|
|
|
576 if (ngx_spawn_process(cycle, ngx_processes[i].proc,
|
|
|
577 ngx_processes[i].data,
|
|
|
578 ngx_processes[i].name, i)
|
|
92
|
579 == NGX_INVALID_PID)
|
|
0
|
580 {
|
|
|
581 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
582 "can not respawn %s", ngx_processes[i].name);
|
|
|
583 continue;
|
|
|
584 }
|
|
|
585
|
|
22
|
586
|
|
|
587 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
588 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
589 ch.slot = ngx_process_slot;
|
|
|
590 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
591
|
|
|
592 for (n = 0; n < ngx_last_process; n++) {
|
|
|
593
|
|
|
594 if (n == ngx_process_slot
|
|
|
595 || ngx_processes[n].pid == -1
|
|
|
596 || ngx_processes[n].channel[0] == -1)
|
|
|
597 {
|
|
|
598 continue;
|
|
|
599 }
|
|
|
600
|
|
|
601 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
602 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
603 ch.slot, ch.pid, ch.fd,
|
|
|
604 n, ngx_processes[n].pid,
|
|
|
605 ngx_processes[n].channel[0]);
|
|
|
606
|
|
|
607 /* TODO: NGX_AGAIN */
|
|
|
608
|
|
|
609 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
610 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
611 }
|
|
|
612
|
|
0
|
613 live = 1;
|
|
|
614
|
|
|
615 continue;
|
|
|
616 }
|
|
|
617
|
|
|
618 if (ngx_processes[i].pid == ngx_new_binary) {
|
|
92
|
619
|
|
|
620 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
|
|
|
621 ngx_core_module);
|
|
|
622
|
|
|
623 if (ngx_rename_file((char *) ccf->oldpid.data,
|
|
|
624 (char *) ccf->pid.data)
|
|
|
625 != NGX_OK)
|
|
|
626 {
|
|
|
627 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
628 ngx_rename_file_n " %s back to %s failed "
|
|
|
629 "after the new binary process \"%s\" exited",
|
|
|
630 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]);
|
|
|
631 }
|
|
|
632
|
|
0
|
633 ngx_new_binary = 0;
|
|
|
634 if (ngx_noaccepting) {
|
|
|
635 ngx_restart = 1;
|
|
|
636 ngx_noaccepting = 0;
|
|
|
637 }
|
|
|
638 }
|
|
|
639
|
|
|
640 if (i == ngx_last_process - 1) {
|
|
|
641 ngx_last_process--;
|
|
|
642
|
|
|
643 } else {
|
|
|
644 ngx_processes[i].pid = -1;
|
|
|
645 }
|
|
|
646
|
|
|
647 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) {
|
|
|
648 live = 1;
|
|
|
649 }
|
|
|
650 }
|
|
|
651
|
|
|
652 return live;
|
|
|
653 }
|
|
|
654
|
|
|
655
|
|
50
|
656 static void
|
|
|
657 ngx_master_exit(ngx_cycle_t *cycle)
|
|
0
|
658 {
|
|
|
659 ngx_delete_pidfile(cycle);
|
|
|
660
|
|
26
|
661 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit");
|
|
0
|
662
|
|
54
|
663 /*
|
|
|
664 * we do not destroy cycle->pool here because a signal handler
|
|
|
665 * that uses cycle->log can be called at this point
|
|
|
666 */
|
|
|
667
|
|
|
668 #if 0
|
|
0
|
669 ngx_destroy_pool(cycle->pool);
|
|
54
|
670 #endif
|
|
0
|
671
|
|
|
672 exit(0);
|
|
|
673 }
|
|
|
674
|
|
|
675
|
|
50
|
676 static void
|
|
|
677 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
0
|
678 {
|
|
50
|
679 #if (NGX_THREADS)
|
|
18
|
680 ngx_int_t n;
|
|
|
681 ngx_err_t err;
|
|
|
682 ngx_core_conf_t *ccf;
|
|
50
|
683 #endif
|
|
18
|
684
|
|
22
|
685 ngx_worker_process_init(cycle, 1);
|
|
0
|
686
|
|
|
687 ngx_setproctitle("worker process");
|
|
|
688
|
|
|
689 #if (NGX_THREADS)
|
|
|
690
|
|
|
691 if (ngx_time_mutex_init(cycle->log) == NGX_ERROR) {
|
|
|
692 /* fatal */
|
|
|
693 exit(2);
|
|
|
694 }
|
|
|
695
|
|
18
|
696 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
697
|
|
0
|
698 if (ngx_threads_n) {
|
|
|
699 if (ngx_init_threads(ngx_threads_n,
|
|
|
700 ccf->thread_stack_size, cycle) == NGX_ERROR)
|
|
|
701 {
|
|
|
702 /* fatal */
|
|
|
703 exit(2);
|
|
|
704 }
|
|
|
705
|
|
|
706 err = ngx_thread_key_create(&ngx_core_tls_key);
|
|
|
707 if (err != 0) {
|
|
|
708 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
709 ngx_thread_key_create_n " failed");
|
|
|
710 /* fatal */
|
|
|
711 exit(2);
|
|
|
712 }
|
|
|
713
|
|
|
714 for (n = 0; n < ngx_threads_n; n++) {
|
|
|
715
|
|
50
|
716 ngx_threads[n].cv = ngx_cond_init(cycle->log);
|
|
|
717
|
|
|
718 if (ngx_threads[n].cv == NULL) {
|
|
0
|
719 /* fatal */
|
|
|
720 exit(2);
|
|
|
721 }
|
|
|
722
|
|
|
723 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
|
|
|
724 ngx_worker_thread_cycle,
|
|
|
725 (void *) &ngx_threads[n], cycle->log) != 0)
|
|
|
726 {
|
|
|
727 /* fatal */
|
|
|
728 exit(2);
|
|
|
729 }
|
|
|
730 }
|
|
|
731 }
|
|
|
732
|
|
|
733 #endif
|
|
|
734
|
|
|
735 for ( ;; ) {
|
|
|
736 if (ngx_exiting
|
|
|
737 && ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
|
|
|
738 {
|
|
26
|
739 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
740
|
|
|
741
|
|
|
742 #if (NGX_THREADS)
|
|
|
743 ngx_terminate = 1;
|
|
|
744
|
|
|
745 ngx_wakeup_worker_threads(cycle);
|
|
|
746 #endif
|
|
|
747
|
|
26
|
748 if (ngx_debug_quit) {
|
|
|
749 ngx_debug_point();
|
|
|
750 }
|
|
|
751
|
|
0
|
752 /*
|
|
|
753 * we do not destroy cycle->pool here because a signal handler
|
|
|
754 * that uses cycle->log can be called at this point
|
|
|
755 */
|
|
54
|
756
|
|
|
757 #if 0
|
|
|
758 ngx_destroy_pool(cycle->pool);
|
|
|
759 #endif
|
|
0
|
760 exit(0);
|
|
|
761 }
|
|
|
762
|
|
|
763 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
764
|
|
|
765 ngx_process_events(cycle);
|
|
|
766
|
|
|
767 if (ngx_terminate) {
|
|
26
|
768 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
769
|
|
|
770 #if (NGX_THREADS)
|
|
|
771 ngx_wakeup_worker_threads(cycle);
|
|
|
772 #endif
|
|
|
773
|
|
|
774 /*
|
|
|
775 * we do not destroy cycle->pool here because a signal handler
|
|
|
776 * that uses cycle->log can be called at this point
|
|
|
777 */
|
|
54
|
778
|
|
|
779 #if 0
|
|
|
780 ngx_destroy_pool(cycle->pool);
|
|
|
781 #endif
|
|
|
782
|
|
0
|
783 exit(0);
|
|
|
784 }
|
|
|
785
|
|
|
786 if (ngx_quit) {
|
|
|
787 ngx_quit = 0;
|
|
26
|
788 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
789 "gracefully shutting down");
|
|
|
790 ngx_setproctitle("worker process is shutting down");
|
|
|
791
|
|
|
792 if (!ngx_exiting) {
|
|
|
793 ngx_close_listening_sockets(cycle);
|
|
|
794 ngx_exiting = 1;
|
|
|
795 }
|
|
|
796 }
|
|
|
797
|
|
|
798 if (ngx_reopen) {
|
|
|
799 ngx_reopen = 0;
|
|
26
|
800 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
0
|
801 ngx_reopen_files(cycle, -1);
|
|
|
802 }
|
|
|
803 }
|
|
|
804 }
|
|
|
805
|
|
|
806
|
|
50
|
807 static void
|
|
|
808 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority)
|
|
16
|
809 {
|
|
|
810 sigset_t set;
|
|
|
811 ngx_int_t n;
|
|
|
812 ngx_uint_t i;
|
|
92
|
813 struct rlimit rlmt;
|
|
16
|
814 struct timeval tv;
|
|
|
815 ngx_core_conf_t *ccf;
|
|
|
816 ngx_listening_t *ls;
|
|
|
817
|
|
|
818 ngx_gettimeofday(&tv);
|
|
|
819
|
|
|
820 ngx_start_msec = (ngx_epoch_msec_t) tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
|
821 ngx_old_elapsed_msec = 0;
|
|
|
822 ngx_elapsed_msec = 0;
|
|
|
823
|
|
|
824
|
|
|
825 ngx_process = NGX_PROCESS_WORKER;
|
|
|
826
|
|
|
827 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
828
|
|
|
829 if (geteuid() == 0) {
|
|
22
|
830 if (priority && ccf->priority != 0) {
|
|
|
831 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) {
|
|
|
832 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
833 "setpriority(%d) failed", ccf->priority);
|
|
|
834 }
|
|
|
835 }
|
|
|
836
|
|
92
|
837 if (ccf->rlimit_nofile != NGX_CONF_UNSET) {
|
|
|
838 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile;
|
|
|
839 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile;
|
|
|
840
|
|
|
841 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
|
|
|
842 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
843 "setrlimit(RLIMIT_NOFILE, %i) failed",
|
|
|
844 ccf->rlimit_nofile);
|
|
|
845 }
|
|
|
846 }
|
|
|
847
|
|
|
848 #ifdef RLIMIT_SIGPENDING
|
|
|
849 if (ccf->rlimit_sigpending != NGX_CONF_UNSET) {
|
|
|
850 rlmt.rlim_cur = (rlim_t) ccf->rlimit_sigpending;
|
|
|
851 rlmt.rlim_max = (rlim_t) ccf->rlimit_sigpending;
|
|
|
852
|
|
|
853 if (setrlimit(RLIMIT_SIGPENDING, &rlmt) == -1) {
|
|
|
854 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
855 "setrlimit(RLIMIT_SIGPENDING, %i) failed",
|
|
|
856 ccf->rlimit_sigpending);
|
|
|
857 }
|
|
|
858 }
|
|
|
859 #endif
|
|
|
860
|
|
16
|
861 if (setgid(ccf->group) == -1) {
|
|
|
862 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
863 "setgid(%d) failed", ccf->group);
|
|
|
864 /* fatal */
|
|
|
865 exit(2);
|
|
|
866 }
|
|
|
867
|
|
22
|
868 if (initgroups(ccf->username, ccf->group) == -1) {
|
|
|
869 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
870 "initgroups(%s, %d) failed",
|
|
|
871 ccf->username, ccf->group);
|
|
|
872 }
|
|
|
873
|
|
16
|
874 if (setuid(ccf->user) == -1) {
|
|
|
875 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
876 "setuid(%d) failed", ccf->user);
|
|
|
877 /* fatal */
|
|
|
878 exit(2);
|
|
|
879 }
|
|
|
880 }
|
|
|
881
|
|
|
882 #if (NGX_HAVE_PR_SET_DUMPABLE)
|
|
|
883
|
|
|
884 /* allow coredump after setuid() in Linux 2.4.x */
|
|
|
885
|
|
|
886 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
|
|
|
887 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
888 "prctl(PR_SET_DUMPABLE) failed");
|
|
|
889 }
|
|
|
890
|
|
|
891 #endif
|
|
|
892
|
|
70
|
893 if (ccf->working_directory.len) {
|
|
72
|
894 if (chdir((char *) ccf->working_directory.data) == -1) {
|
|
70
|
895 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
896 "chdir(\"%s\") failed", ccf->working_directory.data);
|
|
|
897 /* fatal */
|
|
|
898 exit(2);
|
|
|
899 }
|
|
|
900 }
|
|
|
901
|
|
16
|
902 sigemptyset(&set);
|
|
|
903
|
|
|
904 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
905 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
906 "sigprocmask() failed");
|
|
|
907 }
|
|
|
908
|
|
|
909 ngx_init_temp_number();
|
|
|
910
|
|
|
911 /*
|
|
|
912 * disable deleting previous events for the listening sockets because
|
|
|
913 * in the worker processes there are no events at all at this point
|
|
|
914 */
|
|
|
915 ls = cycle->listening.elts;
|
|
|
916 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
92
|
917 ls[i].previous = NULL;
|
|
16
|
918 }
|
|
|
919
|
|
|
920 for (i = 0; ngx_modules[i]; i++) {
|
|
|
921 if (ngx_modules[i]->init_process) {
|
|
|
922 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
923 /* fatal */
|
|
|
924 exit(2);
|
|
|
925 }
|
|
|
926 }
|
|
|
927 }
|
|
|
928
|
|
|
929 for (n = 0; n < ngx_last_process; n++) {
|
|
|
930
|
|
|
931 if (ngx_processes[n].pid == -1) {
|
|
|
932 continue;
|
|
|
933 }
|
|
|
934
|
|
|
935 if (n == ngx_process_slot) {
|
|
|
936 continue;
|
|
|
937 }
|
|
|
938
|
|
|
939 if (ngx_processes[n].channel[1] == -1) {
|
|
|
940 continue;
|
|
|
941 }
|
|
|
942
|
|
|
943 if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
944 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
945 "close() channel failed");
|
|
|
946 }
|
|
|
947 }
|
|
|
948
|
|
|
949 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
|
|
|
950 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
951 "close() channel failed");
|
|
|
952 }
|
|
|
953
|
|
|
954 #if 0
|
|
|
955 ngx_last_process = 0;
|
|
|
956 #endif
|
|
|
957
|
|
|
958 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT,
|
|
84
|
959 ngx_channel_handler) == NGX_ERROR)
|
|
16
|
960 {
|
|
|
961 /* fatal */
|
|
|
962 exit(2);
|
|
|
963 }
|
|
|
964 }
|
|
|
965
|
|
|
966
|
|
50
|
967 static void
|
|
|
968 ngx_channel_handler(ngx_event_t *ev)
|
|
0
|
969 {
|
|
|
970 ngx_int_t n;
|
|
92
|
971 ngx_socket_t fd;
|
|
0
|
972 ngx_channel_t ch;
|
|
|
973 ngx_connection_t *c;
|
|
|
974
|
|
16
|
975 if (ev->timedout) {
|
|
|
976 ev->timedout = 0;
|
|
|
977 return;
|
|
|
978 }
|
|
|
979
|
|
0
|
980 c = ev->data;
|
|
|
981
|
|
|
982 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
983
|
|
|
984 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
985
|
|
10
|
986 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n);
|
|
0
|
987
|
|
10
|
988 if (n == NGX_ERROR) {
|
|
92
|
989
|
|
|
990 ngx_free_connection(c);
|
|
|
991
|
|
|
992 fd = c->fd;
|
|
|
993 c->fd = (ngx_socket_t) -1;
|
|
|
994
|
|
|
995 if (close(fd) == -1) {
|
|
10
|
996 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
997 "close() channel failed");
|
|
|
998 }
|
|
|
999
|
|
|
1000 return;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 if (n == NGX_AGAIN) {
|
|
0
|
1004 return;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
1008 "channel command: %d", ch.command);
|
|
|
1009
|
|
|
1010 switch (ch.command) {
|
|
|
1011
|
|
|
1012 case NGX_CMD_QUIT:
|
|
|
1013 ngx_quit = 1;
|
|
|
1014 break;
|
|
|
1015
|
|
|
1016 case NGX_CMD_TERMINATE:
|
|
|
1017 ngx_terminate = 1;
|
|
|
1018 break;
|
|
|
1019
|
|
|
1020 case NGX_CMD_REOPEN:
|
|
|
1021 ngx_reopen = 1;
|
|
|
1022 break;
|
|
|
1023
|
|
|
1024 case NGX_CMD_OPEN_CHANNEL:
|
|
|
1025
|
|
|
1026 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1027 "get channel s:%i pid:%P fd:%d", ch.slot, ch.pid, ch.fd);
|
|
0
|
1028
|
|
|
1029 ngx_processes[ch.slot].pid = ch.pid;
|
|
|
1030 ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
1031 break;
|
|
|
1032
|
|
|
1033 case NGX_CMD_CLOSE_CHANNEL:
|
|
|
1034
|
|
|
1035 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1036 "close channel s:%i pid:%P our:%P fd:%d",
|
|
0
|
1037 ch.slot, ch.pid, ngx_processes[ch.slot].pid,
|
|
|
1038 ngx_processes[ch.slot].channel[0]);
|
|
|
1039
|
|
|
1040 if (close(ngx_processes[ch.slot].channel[0]) == -1) {
|
|
16
|
1041 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
1042 "close() channel failed");
|
|
0
|
1043 }
|
|
|
1044
|
|
|
1045 ngx_processes[ch.slot].channel[0] = -1;
|
|
|
1046 break;
|
|
|
1047 }
|
|
|
1048 }
|
|
|
1049
|
|
|
1050
|
|
|
1051 #if (NGX_THREADS)
|
|
|
1052
|
|
50
|
1053 static void
|
|
|
1054 ngx_wakeup_worker_threads(ngx_cycle_t *cycle)
|
|
0
|
1055 {
|
|
|
1056 ngx_int_t i;
|
|
|
1057 ngx_uint_t live;
|
|
|
1058
|
|
|
1059 for ( ;; ) {
|
|
|
1060
|
|
|
1061 live = 0;
|
|
|
1062
|
|
|
1063 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
1064 if (ngx_threads[i].state < NGX_THREAD_EXIT) {
|
|
18
|
1065 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) {
|
|
|
1066 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
0
|
1067
|
|
|
1068 } else {
|
|
|
1069 live = 1;
|
|
|
1070 }
|
|
|
1071 }
|
|
|
1072
|
|
|
1073 if (ngx_threads[i].state == NGX_THREAD_EXIT) {
|
|
|
1074 ngx_thread_join(ngx_threads[i].tid, NULL);
|
|
|
1075 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
|
1076 }
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 if (live == 0) {
|
|
|
1080 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
1081 "all worker threads are joined");
|
|
|
1082
|
|
|
1083 /* STUB */
|
|
|
1084 ngx_done_events(cycle);
|
|
|
1085 ngx_mutex_destroy(ngx_event_timer_mutex);
|
|
|
1086 ngx_mutex_destroy(ngx_posted_events_mutex);
|
|
|
1087
|
|
|
1088 return;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 ngx_sched_yield();
|
|
|
1092 }
|
|
|
1093 }
|
|
|
1094
|
|
|
1095
|
|
50
|
1096 static void *
|
|
|
1097 ngx_worker_thread_cycle(void *data)
|
|
0
|
1098 {
|
|
|
1099 ngx_thread_t *thr = data;
|
|
|
1100
|
|
|
1101 sigset_t set;
|
|
|
1102 ngx_err_t err;
|
|
|
1103 ngx_core_tls_t *tls;
|
|
|
1104 ngx_cycle_t *cycle;
|
|
|
1105
|
|
|
1106 cycle = (ngx_cycle_t *) ngx_cycle;
|
|
|
1107
|
|
|
1108 sigemptyset(&set);
|
|
|
1109 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
|
|
|
1110 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
|
|
|
1111 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
|
|
|
1112
|
|
|
1113 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
1114 if (err) {
|
|
|
1115 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1116 ngx_thread_sigmask_n " failed");
|
|
|
1117 return (void *) 1;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1121 "thread " NGX_TID_T_FMT " started", ngx_thread_self());
|
|
0
|
1122
|
|
|
1123 ngx_setthrtitle("worker thread");
|
|
|
1124
|
|
50
|
1125 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log);
|
|
|
1126 if (tls == NULL) {
|
|
0
|
1127 return (void *) 1;
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 err = ngx_thread_set_tls(ngx_core_tls_key, tls);
|
|
|
1131 if (err != 0) {
|
|
|
1132 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1133 ngx_thread_set_tls_n " failed");
|
|
|
1134 return (void *) 1;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1138 return (void *) 1;
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 for ( ;; ) {
|
|
|
1142 thr->state = NGX_THREAD_FREE;
|
|
|
1143
|
|
|
1144 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1145 return (void *) 1;
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 if (ngx_terminate) {
|
|
|
1149 thr->state = NGX_THREAD_EXIT;
|
|
|
1150
|
|
|
1151 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
1152
|
|
|
1153 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1154 "thread " NGX_TID_T_FMT " is done",
|
|
|
1155 ngx_thread_self());
|
|
0
|
1156
|
|
|
1157 return (void *) 0;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 thr->state = NGX_THREAD_BUSY;
|
|
|
1161
|
|
|
1162 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1163 return (void *) 1;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1167 return (void *) 1;
|
|
|
1168 }
|
|
|
1169
|
|
|
1170 if (ngx_process_changes) {
|
|
|
1171 if (ngx_process_changes(cycle, 1) == NGX_ERROR) {
|
|
|
1172 return (void *) 1;
|
|
|
1173 }
|
|
|
1174 }
|
|
|
1175 }
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 #endif
|
|
16
|
1179
|
|
|
1180
|
|
50
|
1181 #if 0
|
|
|
1182
|
|
|
1183 static void
|
|
|
1184 ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
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|
16
|
1185 {
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|
|
1186 ngx_uint_t i;
|
|
|
1187 ngx_gc_t ctx;
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|
|
1188 ngx_path_t **path;
|
|
|
1189 ngx_event_t *ev;
|
|
|
1190
|
|
22
|
1191 ngx_worker_process_init(cycle, 0);
|
|
16
|
1192
|
|
92
|
1193 ev = &cycle->read_events0[ngx_channel];
|
|
16
|
1194
|
|
|
1195 ngx_accept_mutex = NULL;
|
|
|
1196
|
|
|
1197 ngx_setproctitle("garbage collector");
|
|
|
1198
|
|
|
1199 #if 0
|
|
|
1200 ngx_add_timer(ev, 60 * 1000);
|
|
|
1201 #endif
|
|
|
1202
|
|
|
1203 for ( ;; ) {
|
|
|
1204
|
|
|
1205 if (ngx_terminate || ngx_quit) {
|
|
26
|
1206 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
16
|
1207 exit(0);
|
|
|
1208 }
|
|
|
1209
|
|
|
1210 if (ngx_reopen) {
|
|
|
1211 ngx_reopen = 0;
|
|
26
|
1212 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
16
|
1213 ngx_reopen_files(cycle, -1);
|
|
|
1214 }
|
|
|
1215
|
|
|
1216 path = cycle->pathes.elts;
|
|
|
1217 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
1218 ctx.path = path[i];
|
|
|
1219 ctx.log = cycle->log;
|
|
28
|
1220 ctx.handler = path[i]->cleaner;
|
|
16
|
1221
|
|
|
1222 ngx_collect_garbage(&ctx, &path[i]->name, 0);
|
|
|
1223 }
|
|
|
1224
|
|
|
1225 ngx_add_timer(ev, 60 * 60 * 1000);
|
|
|
1226
|
|
|
1227 ngx_process_events(cycle);
|
|
|
1228 }
|
|
|
1229 }
|
|
50
|
1230
|
|
|
1231 #endif
|
